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Bauer csm bolivia 2013-04-24

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Publicado el

1er Congreso - Seminario Internacional
de Fundaciones Profundas - Santa Cruz, Bolivia - 2013

Publicado en: Ingeniería
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Bauer csm bolivia 2013-04-24

  1. 1. © BAUER Maschinen GmbH, D-86529 Schrobenhausen Cutter-soil-mixing- applications in different soils CSM–Cutter Soil Mixing Franz-Werner Gerressen, Santa Cruz, 2013-04-24
  2. 2. © BAUER Maschinen GmbH, D-86529 Schrobenhausen .... is a combination of the BAUER cutter technology with rotation around horizontal axes CSM (Cutter Soil Mixing)
  3. 3. © BAUER Maschinen GmbH, D-86529 Schrobenhausen .... is a combination of the BAUER cutter technology with rotation around horizontal axes and conventional Soil Mixing systems with rotation around vertical axes CSM (Cutter Soil Mixing) five mixing paddles Japan MIP triple auger Germany
  4. 4. © BAUER Maschinen GmbH, D-86529 Schrobenhausen CSM (Cutter Soil Mixing)
  5. 5. © BAUER Maschinen GmbH, D-86529 Schrobenhausen BCM cutting / mixing head CSM (Cutter Soil Mixing) equipment components - control devices sensors for verticality in “X” and “Y” direction measurement technology - quality assurance sensor for external pressure other sensors: • torque (oil pressure) • wheel rotation • flow and pressure of grout • gyrocompass
  6. 6. © BAUER Maschinen GmbH, D-86529 Schrobenhausen CSM (Cutter Soil Mixing) equipment components - control devices B-Tronic screen B-Report production log verticality monitoring system production datamachine data
  7. 7. © BAUER Maschinen GmbH, D-86529 Schrobenhausen The CSM Method basic principles
  8. 8. © BAUER Maschinen GmbH, D-86529 Schrobenhausen cement cemented soil water soil mixing tool CSM (Cutter Soil Mixing) basic principles - working procedure
  9. 9. © BAUER Maschinen GmbH, D-86529 Schrobenhausen improving mechanical properties (e.g. strength, water tightness...) Improvement of the properties of the soil by mixing a slurry into the ground 3000 basic idea CSM (Cutter Soil Mixing) basic principles - working procedure remediation of chemical containments
  10. 10. © BAUER Maschinen GmbH, D-86529 Schrobenhausen soil conditions • sand/gravel • silt • clay • organic soils suitable for retaining wall/ foundation strength achievement suitable for cut-off wall permeability achievement very good limited no major differences Cutter principle: Treatment of / Embedding in hard soil layers possible CSM (Cutter Soil Mixing) basic principles - soil conditions
  11. 11. © BAUER Maschinen GmbH, D-86529 Schrobenhausen Is it a mixable soil? soil conditions "No rock mixing" ! CSM (Cutter Soil Mixing) basic principles - soil conditions
  12. 12. soil is used as construction material minimal spoil removal vibration free method no delivery of ready mixed concrete necessary © BAUER Maschinen GmbH, D-86529 Schrobenhausen CSM (Cutter Soil Mixing) basic principles - advantages advantages in comparison to conventional methods
  13. 13. © BAUER Maschinen GmbH, D-86529 Schrobenhausen The CSM Method working procedure
  14. 14. © BAUER Maschinen GmbH, D-86529 Schrobenhausen pre-excavation CSM (Cutter Soil Mixing) working procedure
  15. 15. © BAUER Maschinen GmbH, D-86529 Schrobenhausen penetration CSM (Cutter Soil Mixing) working procedure
  16. 16. © BAUER Maschinen GmbH, D-86529 Schrobenhausen extraction completed CSM (Cutter Soil Mixing) working procedure
  17. 17. © BAUER Maschinen GmbH, D-86529 Schrobenhausen The CSM Method equipment
  18. 18. © BAUER Maschinen GmbH, D-86529 Schrobenhausen Typ 1 four tooth holder - high mixing efficiency three tooth holder - high loosening capacity Typ 2 CSM (Cutter Soil Mixing) equipment components - cutting/mixing wheels
  19. 19. © BAUER Maschinen GmbH, D-86529 Schrobenhausen BG 20 depth = 13,5 m BG 24 depth = 13,5 m BG 28 depth = 18 m BG 36 depth = 18 m CSM (Cutter Soil Mixing) equipment components - BG series
  20. 20. © BAUER Maschinen GmbH, D-86529 Schrobenhausen BG 28 - interlocking system max. depth = 35 m 40250 47878 CSM (Cutter Soil Mixing) equipment components - BG series BG 40 - interlocking system max. depth = 43 m
  21. 21. © BAUER Maschinen GmbH, D-86529 Schrobenhausen CSM (Cutter Soil Mixing) equipment components - QuattroCutter/Side Cutter MBG 24 with QuattroCutter - max. depth 60 m two mixing heads placed one on top of the other: • intensive, homogeneous mixing • high directional accuracy for big depth
  22. 22. © BAUER Maschinen GmbH, D-86529 Schrobenhausen Desanding unit Agitator tank Mixing plant Hose pump Feed pump Mobile sieve unit Storage tank CSM (Cutter Soil Mixing) equipment components - auxiliary equipment
  23. 23. © BAUER Maschinen GmbH, D-86529 Schrobenhausen The CSM Method applications
  24. 24. © BAUER Maschinen GmbH, D-86529 Schrobenhausen CSM (Cutter Soil Mixing) applications  cut-off walls  retaining walls (often with cut-off wall function)  foundations  slope stabilization  soil improvement / soil stabilization
  25. 25. © BAUER Maschinen GmbH, D-86529 Schrobenhausen CSM (Cutter Soil Mixing) worldwide distribution
  26. 26. © BAUER Maschinen GmbH, D-86529 Schrobenhausen Project „New South“ Antwerp background: • wall surface about 3 000 m²facts retaining wall: • new construction of an flats and offices block with basement garage • about 450 m far away from river Schelde -> retaining wall with cut-off function • wall depth up to 11.5 m; excavation depth up to 9 m • year of execution 2007 • wall thickness 550 mm CSM (Cutter Soil Mixing) application example - retaining wall- RG 16 Kelly guided mixing head
  27. 27. © BAUER Maschinen GmbH, D-86529 Schrobenhausen The CSM Method Advantages - by executing structural walls Traditional DMM methods Reinforcement is positioned only in the centre of the columns CSM method Reinforcement can be positioned anywhere within the panels Waste Waste Effective section CSM (Cutter Soil Mixing) application example - retaining wall- RG 16 Kelly guided mixing head
  28. 28. © BAUER Maschinen GmbH, D-86529 Schrobenhausen CSM 1-phase system reasons for using 1-phase system: • relatively low mixing depth • relatively simple soil conditions 1-phase system: penetration and extraction with the same cement or cement-bentonite slurry • no dry soil relatively short production time per panel – no danger by initial setting of the cement CSM (Cutter Soil Mixing) application example - retaining wall- RG 16 Kelly guided mixing head
  29. 29. © BAUER Maschinen GmbH, D-86529 Schrobenhausen CSM 1-phase system – required equipment Bentonite silo Cement silo Delivery- pump Agitator cement Mixer Compressor CSM-rig Trench Panel Backhoe CSM (Cutter Soil Mixing) application example - retaining wall- RG 16 Kelly guided mixing head
  30. 30. © BAUER Maschinen GmbH, D-86529 Schrobenhausen soil conditions - silty sand CSM (Cutter Soil Mixing) application example - retaining wall- RG 16 Kelly guided mixing head
  31. 31. © BAUER Maschinen GmbH, D-86529 Schrobenhausen CSM (Cutter Soil Mixing) application example - retaining wall- RG 16 Kelly guided mixing head
  32. 32. © BAUER Maschinen GmbH, D-86529 Schrobenhausen CSM (Cutter Soil Mixing) application example - cut-off wall - BG 28 rope suspended mixing head MOSE-Project Venice • mobile high water protection of Venice lagoonbackground: • cut-off wall surface about 15 000 m²facts cut-off wall: • excavation pit for the construction of caisson for mobile flood gates • cut-off wall around excavation pit • 28 m deep • year of execution 2006 • wall thickness 640 mm
  33. 33. © BAUER Maschinen GmbH, D-86529 Schrobenhausen soil profil: depth [m] 0,0 -11,0 -15,0 -21,0 -26,0 sandy refilling silty sand clayly silt / silty clay silty fine sand clay -28,0 CSM (Cutter Soil Mixing) application example - cut-off wall - BG 28 rope suspended mixing head
  34. 34. © BAUER Maschinen GmbH, D-86529 Schrobenhausen CSM 2-phase system was used reason for using 2-phase system: relatively high mixing depth of 28 m relatively long production time per panel danger of getting stuck - by initial setting of the cement 2-phase system: penetration with bentonite slurry extraction with cement slurry CSM (Cutter Soil Mixing) application example - cut-off wall - BG 28 rope suspended mixing head
  35. 35. © BAUER Maschinen GmbH, D-86529 Schrobenhausen CSM 2-phase system – required equipment Hose pump Soil Soil Desander Agitator bentonite Bentonite silo Cement silo Delivery- pump Agitator cement Mixer Compressor Trench Panel Mobile sieve unit CSM-rig Scratching belt CSM (Cutter Soil Mixing) application example - cut-off wall - BG 28 rope suspended mixing head
  36. 36. © BAUER Maschinen GmbH, D-86529 Schrobenhausen used base carrier: BAUER BG 28 V used mixing head: BAUER BCM 5 rope suspended CSM (Cutter Soil Mixing) application example - cut-off wall - BG 28 rope suspended mixing head
  37. 37. © BAUER Maschinen GmbH, D-86529 Schrobenhausen July 2007 – after dewatering July 2006 – before dewatering CSM (Cutter Soil Mixing) application example - cut-off wall - BG 28 rope suspended mixing head
  38. 38. © BAUER Maschinen GmbH, D-86529 Schrobenhausen CSM (Cutter Soil Mixing) application example - retaining Wall with Cut-Off Function-RG 19T Re-construction of a wastewater treatment plant - Luxembourg • No space for excavation pits with embankmentsBackground: • Mixing depth between 5.5 and 11 mCSM Panels: • Confined ground water • Excavation depth between 3.5 and 9 m • Year of execution 2010 • Wall thickness 550 mm, about 7000 m² • 1.5 to 2 m socketing into shale bedrock
  39. 39. © BAUER Maschinen GmbH, D-86529 Schrobenhausen CSM (Cutter Soil Mixing) application example - retaining Wall with Cut-Off Function-RG 19T
  40. 40. © BAUER Maschinen GmbH, D-86529 Schrobenhausen CSM (Cutter Soil Mixing) application example - retaining Wall with Cut-Off Function-RG 19T
  41. 41. © BAUER Maschinen GmbH, D-86529 Schrobenhausen Balch Consolidation Conduit Project – Portland, USA • Reduction of combined sewer overflow (CSO) into the Willamette River Background: • Mixing depth between 14 and 27 mCSM Panels: • 5 shafts as jacking / retrieval shafts for tunnel boring machine • Excavation depth between 9.1 and 24.1 m • Completed 2009 - 2010 • Wall thickness between 1000 mm and about 1800 mm • Extreme difficult soil conditions CSM (Cutter Soil Mixing) application example - Shafts - BG 40
  42. 42. © BAUER Maschinen GmbH, D-86529 Schrobenhausen -8,0 -26,0 -27,0 stratified sand and silt alluvial gravel alluvial with cobbles and boulders sand with gravel 0,0 -1,0 miscellaneuos fillDepth [m] Gravel alluvial with cobbles & boulders Stratified sand and silt alluvial CSM (Cutter Soil Mixing) application example - Shafts - BG 40
  43. 43. © BAUER Maschinen GmbH, D-86529 Schrobenhausen Base carrier: BAUER BG 40 V Mixing head: BAUER BCM 10 Kelly guided Maximum possible mixing depth by Kelly guided BCM is 43 m CSM (Cutter Soil Mixing) application example - Shafts - BG 40
  44. 44. © BAUER Maschinen GmbH, D-86529 Schrobenhausen CSM (Cutter Soil Mixing) application example - Shafts - BG 40
  45. 45. © BAUER Maschinen GmbH, D-86529 Schrobenhausen CSM (Cutter Soil Mixing) additional examples for applications additional examples for applications
  46. 46. © BAUER Maschinen GmbH, D-86529 Schrobenhausen50 CSMretainingwall CSMbarrette Vittorio Veneto (Italy) retaining wall about 2.500 m² 550 mm wall thickness, max. 12 m panel depth soil conditions sand CSM (Cutter Soil Mixing) application - retaining walls + uplift retention specific feature barrets for tie downs made with CSM panels
  47. 47. © BAUER Maschinen GmbH, D-86529 Schrobenhausen Vittorio Veneto (Italy) CSM (Cutter Soil Mixing) application - retaining walls + uplift retention
  48. 48. © BAUER Maschinen GmbH, D-86529 Schrobenhausen Vancouver (Canada) CSM (Cutter Soil Mixing) application - foundations - RG19
  49. 49. © BAUER Maschinen GmbH, D-86529 Schrobenhausen CSM (Cutter Soil Mixing) application - slope stabilization - RG 25S Barrets 800 mm wall thickness, 14 m max. panel depth partly reinforced with steel pipes Portugal
  50. 50. © BAUER Maschinen GmbH, D-86529 Schrobenhausen CSM (Cutter Soil Mixing) application - soil stabilization - BG 40 - BCM 10 Culver City (California, USA) Soil stabilisation for Cast-in-drilled-hole piles (CIDH piles); Ø = 4.6 m up to 34.1 m deep
  51. 51. © BAUER Maschinen GmbH, D-86529 Schrobenhausen panel layout CSM (Cutter Soil Mixing) application - soil stabilization - BG 40 - BCM 10 1 2 3 4 5 6 7 8 Culver City (California, USA)
  52. 52. © BAUER Maschinen GmbH, D-86529 Schrobenhausen 0.0 -2,0 -4,0 -6,0 -8,0 -10,0 -12,0 -14,0 -16,0 -34,1 clay (medium stiff) sandy silt (medium dense) clayey silt (very stiff) clayey silt (very stiff to hard) depth [m] www.malcolmdrilling.com Culver City (California, USA) CSM (Cutter Soil Mixing) application - soil stabilization - BG 40 - BCM 10
  53. 53. © BAUER Maschinen GmbH, D-86529 Schrobenhausen CSM (Cutter Soil Mixing) application - soil stabilization - BG 40 - BCM 10 www.malcolmdrilling.com www.malcolmdrilling.com Culver City (California, USA)
  54. 54. © BAUER Maschinen GmbH, D-86529 Schrobenhausen CSM (Cutter Soil Mixing) application - soil stabilization - BG 40 - BCM 10 www.malcolmdrilling.com www.malcolmdrilling.com Culver City (California, USA)
  55. 55. © BAUER Maschinen GmbH, D-86529 Schrobenhausen Bologna (Italy) soil stabilization approx. 100.000 m² 800 mm wall thickness, 23 m panel depth (mainly clay) CSM (Cutter Soil Mixing) application - soil stabilization - BG28 + RG25
  56. 56. © BAUER Maschinen GmbH, D-86529 Schrobenhausen diaphragm wall CSM panels CSM (Cutter Soil Mixing) application - soil stabilization - BG28 + RG25 Bologna (Italy)
  57. 57. © BAUER Maschinen GmbH, D-86529 Schrobenhausen Cutter-soil-mixing- applications in different soils CSM–Cutter Soil Mixing Franz-Werner Gerressen, Santa Cruz, 2013-04-24

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